light brown hair: which highlites would work?

im a brunette and im thinking of getting some highlites with a haircut like this…
https://www.zimbio.com/Inverted+Bob+Haircuts/articles/54/Celebrity+Haircut+Choppy+Haircut

just the blonde part would be obviously brown but the brown part at the tips i dont know what color i should get im trying to move away from the original blonde honey caramel and all that but what kind of funky hair color would work for it like red or purple?